How do I get imported objects to show in view? (.wrl files)
Select all objects in the outliner or other means. Press the home key ... the one NOT on the numeric keypad. (there are two home keys on many full size keyboards)
After that is successful. Consider press numeric keypad 0 a couple of times to switch bebtween

User View and Camera View.
Press Control Alt (Numpad) 0 to align the camera view with the user view.